Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 23:42
General
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Target
710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.exe
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Size
218KB
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MD5
3260631c07ead54f263c4bc1dc6a36ea
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SHA1
34846c5c595e2580a3eac7139d61ec8afb63c386
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SHA256
710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315
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SHA512
7cddb0dd9c0ef579ba0df925d46d742f0abafc9c9d72df4dd16da8f82230ddc1f8554ce4fbcd38c70c5a3f4aec30c5e48d3726c0a182b4207094fd60430048cd
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SSDEEP
3072:3vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:/1SyAJp6rjn1gOObn4b6h9h
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.exe"C:\Users\Admin\AppData\Local\Temp\710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
218KB
MD54561552d6b7e2ec837674347a37d20a7
SHA18eadc691690a9ecd633fd38c4f1824044bc4eb77
SHA256147f931f7fd643d78aa0f07bae8b172ed0b7ef3bd38a7b26f9e400ec0b79eaad
SHA51277793d39ea6ac509aa34896d79f0aad98fa8d8379a2a669ffe9da5b7c07c383c40a58af5749a0055ab17647ce267432d96f248e83feda7fdb10aef15906d9931
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
728KB
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728KB
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Filesize
1.7MB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB